/*
 * Copyright 2017 ~ 2025 the original author or authors. <wanglsir@gmail.com, 983708408@qq.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.wl4g.devops.ci.pipeline.deploy;

import com.github.dockerjava.api.DockerClient;
import com.wl4g.devops.ci.pipeline.PipelineProvider;
import com.wl4g.devops.ci.utils.DockerJavaUtil;
import com.wl4g.devops.common.bean.ci.PipelineHistory;
import com.wl4g.devops.common.bean.ci.PipelineHistoryInstance;
import com.wl4g.devops.common.bean.erm.AppCluster;
import com.wl4g.devops.common.bean.erm.AppEnvironment;
import com.wl4g.devops.common.bean.erm.AppInstance;
import com.wl4g.devops.tool.common.cli.ssh2.SSH2Holders;
import com.wl4g.devops.tool.common.io.FileIOUtils;
import org.apache.commons.lang3.StringUtils;

import java.io.File;
import java.util.List;

/**
 * Docker native deployments task.
 *
 * @author Wangl.sir <983708408@qq.com>
 * @version v1.0 2019年5月24日
 * @since
 */
public class DockerNativePipeDeployer extends GenericHostPipeDeployer<PipelineProvider> {

    final private static String ymlFileName = "/swarm_config.yml";

    public DockerNativePipeDeployer(PipelineProvider provider, AppInstance instance,
                                    List<PipelineHistoryInstance> pipelineHistoryInstances) {
        super(provider, instance, pipelineHistoryInstances);
    }

    @Override
    protected void doRemoteDeploying(String remoteHost, String user, String sshkey) throws Exception {

        //String dockerMasterAddr = instance.getDockerCluster().getMasterAddr();
        //DockerClient dockerClient = DockerJavaUtil.sampleConnect(dockerMasterAddr);
        String ref = getContext().getPipeStepBuilding().getRef();
        PipelineHistory pipelineHistory = getContext().getPipelineHistory();
        AppCluster appCluster = getContext().getAppCluster();
        AppEnvironment environment = getContext().getEnvironment();

        if (StringUtils.isNotBlank(environment.getConfigContent())) {
            File ymlFile = new File(config.getJobBaseDir(pipelineHistory.getId()).getCanonicalPath() + ymlFileName);
            createServiceWithStack(remoteHost, user, sshkey, ymlFile, environment.getConfigContent(), appCluster.getName());
        } else {
            createServiceWithDockerJavaClient(environment.getDockerRepository().getRegistryAddress()
                    + "/" + environment.getRepositoryNamespace() + "/" + appCluster.getName() + ":" + ref, appCluster.getName());
        }


        log.info("docker stop & pull & restart container");
    }


    //TODO need move to docker client expand
    private void createServiceWithStack(String remoteHost, String user, String sshkey, File ymlFile, String configContent, String stackName) throws Exception {
        //write config file to job dir
        FileIOUtils.writeFile(ymlFile, configContent, false);

        //transfer yml file
        transferYmlFileToRemote(ymlFile, remoteHost, user, sshkey);

        // run
        String remoteYmlFileName = config.getDeploy().getRemoteHomeTmpDir() + ymlFileName;
        String cmd = "docker stack deploy -c " + remoteYmlFileName + " " + stackName;
        provider.doRemoteCommand(remoteHost, user, cmd, sshkey);

        //clean temp file
        cleanupRemoteYmlTmpFile(remoteHost, user, sshkey);
    }

    private void createServiceWithDockerJavaClient(String imageName, String name) {
        String dockerMasterAddr = instance.getDockerCluster().getMasterAddr();
        DockerClient dockerClient = DockerJavaUtil.sampleConnect(dockerMasterAddr);
        DockerJavaUtil.removeService(dockerClient, name);
        DockerJavaUtil.pullImage(dockerClient, imageName);
        DockerJavaUtil.createService(dockerClient, imageName, name);
    }


    private void transferYmlFileToRemote(File file, String remoteHost, String user, String sshkey) throws Exception {
        String remoteTmpDir = config.getDeploy().getRemoteHomeTmpDir();
        writeDeployLog(String.format("Transfer to remote tmpdir: %s@%s [%s]", user, remoteHost, file));
        SSH2Holders.getDefault().scpPutFile(remoteHost, user, provider.getUsableCipherSshKey(sshkey), null, file, remoteTmpDir);
    }

    private void cleanupRemoteYmlTmpFile(String remoteHost, String user, String sshkey) throws Exception {
        String remoteYmlFileName = config.getDeploy().getRemoteHomeTmpDir() + ymlFileName;
        if (StringUtils.isNotBlank(remoteYmlFileName) && StringUtils.equals(remoteYmlFileName, "/")) {
            String command = "rm -Rf " + remoteYmlFileName;
            writeDeployLog("Cleanup remote temporary program file: %s@%s [%s]", user, remoteHost, command);
            doRemoteCommand(remoteHost, user, command, sshkey);
        }


    }

}